import js2py
import requests
from bs4 import BeautifulSoup

url = 'http://www.pbc.gov.cn/diaochatongjisi/116219/116319/index.html'
rep = requests.get(url, allow_redirects=False)
rep.encoding = 'UTF-8'

cookies = ["%s=%s" % (c.name, c.value) for c in rep.cookies]

soup = BeautifulSoup(rep.text, 'html.parser')

js_tpl = """
function func(){
    var window = {innerWidth: 1280, innerHeight: 800, screenX: 0, screenY: 0, screen: {width: 1280, height: 800}};
    var document = (function(){
        var cookies = [];
        return {
            get cookie() {
                return cookies;
            },
            set cookie(c) {
                cookies.push(c);
            }
        }
    })();
    %s
    return document.cookie;
}
"""

js_source = js_tpl % soup.find('script').text

ctx = js2py.eval_js(js_source)

cookies2 = [h.split('; ')[0] for h in ctx.call('func')]

cookies = cookies + cookies2

headers = {
    'Cookie': '; '.join(cookies)
}

rep2 = requests.get(url, headers=headers, allow_redirects=False)

ccpassport = rep2.cookies['ccpassport']

headers2 = {
    'Cookie': 'ccpassport=' + ccpassport
}

rep3 = requests.get(url, headers=headers2, allow_redirects=False)
rep3.encoding = 'UTF-8'

print('content:', rep3.text)
print('ccpassport:', ccpassport)